Protection Relays & Systems

Protection relays detect abnormal operating conditions in an industrial system and may trigger an alert or isolate the offending device from the system. Common detection functions include; Arc-flash, temperature monitoring, ground fault, over-current, over-voltage, reverse power flow, over-frequency, under-frequency and phase loss, sequence or imbalance.


Littelfuse Inc. EL731-11-00

AC/DC EARTH-LKGE RELAY

1883.97

Littelfuse Inc. EL731-03-00

AC/DC EARTH-LKGE RELAY

1851.34

Littelfuse Inc. EL731-01-00

AC/DC EARTH-LKGE RELAY 75-275V

1851.34

Littelfuse Inc. SE-325DT

NGR MON 120V GF TIME 0.1 TO 5 S

1812.36

Littelfuse Inc. SE-325DS

NGR MONITOR 120 VAC/VDC EXT RF T

1812.36

Littelfuse Inc. SE-325DN

NGR MONITOR 120 VAC/VDC NON-LATC

1812.36

Littelfuse Inc. PGR-6100-120

MOTOR GROUND FAULT & INSUL RELAY

1713.38

Littelfuse Inc. EL731-02-00

AC/DC EARTH-LKGE RELAY 75-275V

1851.34